Iowa DNR
BioNet
River & Stream Biological Monitoring
Fish and Benthic Macroinvertebrate Surveys
Physical Habitat Assessments

Volga River Maynard - Twin Bridges County Park

Invert Sampling Session #117

Session Data

Sample Date
9/20/1995
Sampling Gear
Hess
Lab ID Number
563661
Sample Quality
Unspecified
Created Date
6/21/2006 12:00:00 AM
Last Update
7/22/2013 1:32:27 PM

Semi-Quantitative Sampling

Replicate Number
3
Dominant Form Periphyton
No Data
(LT- Light, MD- Moderate, MH- Moderate/Heavy, HV- Heavy)
Periphyton Growth
No Data
Sedimentation/Embededness
No Data
Colonization
No Data
Comments

No comments recorded.

Collected Benthic Macroinvertebrates

  • Total taxa collected 30
  • Total individuals collected 107
Scientific Name Order Family Common Name # Collected
Acentrella parvula Ephemeroptera Baetidae Small Minnow Mayflies 3
Acentrella turbida Ephemeroptera Baetidae Small Minnow Mayflies 3
Argia Odonata Coenagrionidae Narrowwinged Damselflies 2
Atherix Diptera Athericidae Aquatic Snipe Flies 3
Baetis Ephemeroptera Baetidae Small Minnow Mayflies 2
Baetis flavistriga Ephemeroptera Baetidae Small Minnow Mayflies 7
Baetis intercalaris Ephemeroptera Baetidae Small Minnow Mayflies 8
Bivalvia Mussels and Clams 1
Caenis Ephemeroptera Caenidae Small Squaregill Mayflies 2
Ceraclea Trichoptera Leptoceridae Longhorned Case Maker Caddisflies 1
Ceratopsyche morosa Trichoptera Hydropsychidae Common Netspinner Caddisflies 3
Cheumatopsyche Trichoptera Hydropsychidae Common Netspinner Caddisflies 4
Chimarra obscura Trichoptera Philopotamidae Fingernet Caddisflies 1
Chironomidae Diptera Chironomidae Non-Biting Midges, Midges 4
Girardia tigrina Tricladida Dugesiidae Flatworms 4
Hemerodromia Diptera Empididae Dance Flies 1
Heptageniidae Ephemeroptera Heptageniidae Flatheaded Mayflies 4
Hexatoma Diptera Tipulidae Crane Flies 1
Hydropsychidae Trichoptera Hydropsychidae Common Netspinner Caddisflies 1
Isonychia Ephemeroptera Isonychiidae Brushlegged Mayflies 3
Leptophlebia Ephemeroptera Leptophlebiidae Pronggilled Mayflies 5
Maccaffertium mediopunctatum Ephemeroptera Heptageniidae Flatheaded Mayflies 16
Maccaffertium pulchellum Ephemeroptera Heptageniidae Flatheaded Mayflies 4
Maccaffertium terminatum Ephemeroptera Heptageniidae Flatheaded Mayflies 1
Oligochaeta Aquatic Worms 3
Ophiogomphus Odonata Gomphidae Clubtail Dragonflies 1
Petrophila Lepidoptera Crambidae Crambid Moths 3
Stenacron interpunctatum Ephemeroptera Heptageniidae Flatheaded Mayflies 5
Stenelmis Coleoptera Elmidae Riffle Beetles 10
Stenelmis crenata Coleoptera Elmidae Riffle Beetles 1

= Excluded from taxa count metrics

Notes: